package com.ruoyi.web.controller.system;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.domain.SysApp;
import com.ruoyi.system.service.ISysAppService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.CollectionUtils;
import org.springframework.web.bind.annotation.*;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysMenu;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginBody;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.framework.web.service.SysLoginService;
import com.ruoyi.framework.web.service.SysPermissionService;
import com.ruoyi.system.service.ISysMenuService;

/**
 * 登录验证
 * 
 * @author ruoyi
 */
@RestController
public class SysLoginController
{
    @Autowired
    private SysLoginService loginService;

    @Autowired
    private ISysMenuService menuService;

    @Autowired
    private SysPermissionService permissionService;

    @Autowired
    private ISysAppService sysAppService;

    /**
     * 登录方法
     * 
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody)
    {
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 获取用户信息
     * 
     * @return 用户信息
     */
    @GetMapping("getInfo")
    public AjaxResult getInfo()
    {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        return ajax;
    }

    /**
     * 获取路由信息
     * 
     * @return 路由信息
     */
    @GetMapping("getRouters/{appCode}")
    public AjaxResult getRouters(@PathVariable(value = "appCode", required = false) String appCode)
    {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        if (!CollectionUtils.isEmpty(menus)){
            // 获取启用的全部应用
            SysApp sysApp = new SysApp();
            sysApp.setStatusFlag(2);
            List<SysApp> list = sysAppService.selectSysAppList(sysApp);
            Map<String, List<SysMenu>> listMap = menus.stream().collect(Collectors.groupingBy(SysMenu::getAppCode));
            List<String> appCodeList = list.stream().map(SysApp::getAppCode).collect(Collectors.toList());
            // 获取listMap中所有键值对
            Set<Map.Entry<String, List<SysMenu>>> entrySet = listMap.entrySet();
            List<SysMenu> firstMenus = new ArrayList<>();
            for (Map.Entry<String, List<SysMenu>> entry : entrySet) {
                // 获取第一个值
                if (appCodeList.contains(entry.getKey())){
                    firstMenus = entry.getValue();
                }
            }
            if(StringUtils.isNotEmpty(appCode)){
                menus = CollectionUtils.isEmpty(listMap.get(appCode))?firstMenus:listMap.get(appCode);
            } else {
                menus = firstMenus;
            }
        }
        return AjaxResult.success(menuService.buildMenus(menus));
    }
}
